As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ROW 3 THRU 7 FLOOR PROXIMITY EMERGENCY LIGHTS ARE INOP.-C/A-REMOVED AND REPLACED #2 EMERGENCY BATTERY AND POWER SUPPLY IAW EMB 145 AMM 33-50-04, OP CHECK BAD. FOUND THE DC RETURN WIRE TO INVERTER BROKEN AT GROUNDING BLOCK. REPAIRED WIRE W192-8689-22N IAW EMB 145 SWPM 20-21-00. OP CHECK GOOD